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staging: comedi: Using macro DIV_ROUND_UP

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The macro DIV_ROUND_UP performs the computation (((n) + (d) - 1) /(d)).
It clarifies the divisor calculations. This occurence was detected using
the coccinelle script:

@@
expression e1;
expression e2;
@@
(
- ((e1) + e2 - 1) / (e2)
+ DIV_ROUND_UP(e1,e2)
|
- ((e1) + (e2 - 1)) / (e2)
+ DIV_ROUND_UP(e1,e2)
)

Signed-off-by: simran singhal <singhalsimran0@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
simran singhal 2017-02-21 23:58:26 +05:30 committed by Greg Kroah-Hartman
parent 427fda4e5c
commit 7dfc697124
2 changed files with 2 additions and 2 deletions
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2
drivers/staging/comedi/drivers/addi_apci_3xxx.c
View File

@ -502,7 +502,7 @@ static int apci3xxx_ai_ns_to_timer(struct comedi_device *dev,
timer = *ns / base;
break;
case CMDF_ROUND_UP:
timer = (*ns + base - 1) / base;
timer = DIV_ROUND_UP(*ns, base);
break;
}

2
drivers/staging/comedi/drivers/cb_pcidas64.c
View File

@ -2007,7 +2007,7 @@ static unsigned int get_divisor(unsigned int ns, unsigned int flags)
switch (flags & CMDF_ROUND_MASK) {
case CMDF_ROUND_UP:
divisor = (ns + TIMER_BASE - 1) / TIMER_BASE;
divisor = DIV_ROUND_UP(ns, TIMER_BASE);
break;
case CMDF_ROUND_DOWN:
divisor = ns / TIMER_BASE;